Eighty percent of households in the United States have cable internet. A random sample of 10 households is selected. What is the probability that at least 7 of the households have cable​ internet?   A. 0.8791          B. 0.6778   C. 0.3222   D. 0.1209   E. None of the above

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: A person has a 30 percent chance of winning on a scratch-off lottery ticket. What is the probability…

A:

Q: In recent study of nurses of a local hospital, eight hundred and twenty four said that they prefer…

A:

Q: 62% of all violent felons in the prison system are repeat offenders. If 37 violent felons are…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: A batch contains electronic devices. 20% of them are defective. 6 devices are randomly selected.…

A: Note: the option G is hidden which is meant to be correct. Binomial distribution: The probability…

Q: Suppose that 15% of the population is left-handed. Find the probability that in group of 50…

A:

Q: 48% of all violent felons in the prison system are repeat offenders. If 44 violent felons are…

A:

Q: Approximately 6% of American drivers d not text while they drive. Suppose you are working with a…

A: It is given that the proportion of American drivers do not text while they drive (p) is 0.06 and the…

Q: In a certain city, a hospital receives an average of 9.5 emergency calls per day. The probability…

A: Answer The favorable cases [x] = 6The average = 9.5

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 14 men are randomly…

A: given p=65%=0.65 , n=14  P(X=3)=? X~Bin(n=14, p=,0.65)

Q: About IO percent of the population is left-handed. Ofthose who are right-handed, about 40 percent…

A: Multiplication Rule:Multiplication rule for two dependent events A, and B is given by:

Q: 60% of all violent felons in the prison system are repeat offenders. If 49 violent felons are…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: 28% of all college students major in STEM (Science, Technology, Engineering, and Math). If 33…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: Ronnie purchases 8 scratch-off lottery tickets. The lottery commission states that there is a 1 in 8…

A: It is given that n = 8 and p = 1/8.

Q: In recent study of nurses of a local hospital, eight hundred and twenty four said that they prefer…

A:

Q: Ricky purchases 14 scratch-off lottery tickets. The lottery commission states that there is a 1 in 9…

A: Binomial distribution is discrete distribution that deals with the probabilities of success and…

Q: Of the cartons produced by a​ company, 9​%have a​ puncture, 3​% have a smashed​ corner, and 0.5​%…

A: Given : Let A : Cartons has a puncture P(A) = 9% = 0.09 Let B : Cartons has a smashed corner P(B) =…

Q: During a Formula 1 test. 25% of the cars that participated in the test experienced a tire blowout.…

A: Correct answer is  (C) 0.1484

Q: a. Exactly 16 of them are repeat offenders. b. At most 21 of them are repeat offenders. c. At least…

A: Given : 46% of all violent felons in the prison system are repeat offenders. i.e Probability…

Q: Of all the registered automobiles in a city, 5% fail the emissions test. Fifteen automobiles are…

A: We have given that  Sample size n=15  Probability of success p=5%=0.05  q=1-p=0.95 P(X=x)=…

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: Imagine a woman has a positive mammogram. What is the probability that she has breast cancer?

A: Here use Bayes rule and tree diagram  Define events as follows  C = women have breast cancer  T =…

Q: 63% of all violent felons in the prison system are repeat offenders. If 45 violent felons are…

A: (a)   Obtain the probability that exactly 29 of them are repeat offenders.   The probability that…

Q: 58% of all violent felons in the prison system are repeat offenders. If 43 violent felons are…

A: Given that, p=58%=0.58 q=1-p=0.42 n=43

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.